{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular*}{\hsize}{@{\hskip\tabcolsep\extracolsep\fill}l*{4}{c}}
\toprule
                           &\multicolumn{2}{c}{Pro-Environment Vote}     &\multicolumn{2}{c}{Anti-Environment Vote}    \\\cmidrule(lr){2-3}\cmidrule(lr){4-5}
                           &\multicolumn{1}{c}{Model}&\multicolumn{1}{c}{Model}&\multicolumn{1}{c}{Model}&\multicolumn{1}{c}{Model}\\
\midrule
\emph{Panel: IV}           &                      &                      &                      &                      \\
Cumulative capacity (MW)   &        0.025\sym{*}  &                      &       -0.030\sym{**} &                      \\
                           &      (0.013)         &                      &      (0.014)         &                      \\
Cumulative count           &                      &        0.044\sym{**} &                      &       -0.053\sym{**} \\
                           &                      &      (0.022)         &                      &      (0.024)         \\
\midrule
Observations               &         1929         &         1929         &         1929         &         1929         \\
Districts                  &          193         &          193         &          193         &          193         \\
\(R^{2}\)                  &         0.84         &         0.84         &         0.83         &         0.83         \\
\bottomrule
\multicolumn{5}{l}{\footnotesize \sym{*} \(p<0.10\), \sym{**} \(p<0.05\), \sym{***} \(p<0.01\)}\\
\end{tabular*}
}
